CN216543086U - Diesel engine power pack installation guide and connecting rod bolt protection device - Google Patents
Diesel engine power pack installation guide and connecting rod bolt protection device Download PDFInfo
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- CN216543086U CN216543086U CN202220075399.XU CN202220075399U CN216543086U CN 216543086 U CN216543086 U CN 216543086U CN 202220075399 U CN202220075399 U CN 202220075399U CN 216543086 U CN216543086 U CN 216543086U
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- guide plate
- diesel engine
- connecting rod
- power pack
- engine power
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- 238000009434 installation Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000001012 protector Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model is suitable for the technical field of machining, the utility model provides a diesel engine power pack installation guide and connecting rod bolt protection device, comprising: the two main bodies are oppositely arranged, mounting holes and connecting holes are formed in the two main bodies, and the connecting holes are connected with the power unit screws of the diesel engine to connect the bearing bush; the clamping and fixing mechanism is arranged on the main body; the guide plate group comprises a first guide plate and a second guide plate, the first guide plate is connected with the second guide plate, an included angle A is formed between the first guide plate and the second guide plate, and the value range of A is 152.5-163.5 degrees. Because contained angle A that deflector group 3 was is convenient for the diesel engine power pack fast, fit for assembling of angle in the diesel engine organism, and laminate the axle bush chucking at the connecting rod inner wall, the installation work of the axle bush of being convenient for, and in the connection process with the screw parcel, hide and can avoid fish tail bent axle in the screw installation.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a diesel engine power unit installation guide and connecting rod bolt protection device.
Background
The HXN3 locomotive 16V265H diesel engine power unit is assembled with a diesel engine main machine body and a crankshaft in a hoisting mode during maintenance. The suspended power set is vertical to the ground, a power set matching hole of the diesel engine is about 22.5 degrees with the ground, and the crankshaft is positioned at the lower position of the center of the diesel engine. The internal structure of the power assembly matching hole of the diesel engine is irregular, and the power assembly needs to be manually adjusted and continuously kept to 22.5 degrees in the manual hoisting process of the power assembly. The assembly hole has an angle of 22.5 degrees and objective factors that the power pack weighs 666kg, the power pack is kept at a proper angle by manual work, the power pack is difficult to assemble in the assembly hole smoothly at one time, the distance between four long rod screws on a connecting rod to which the power pack belongs is smaller than the diameter of a crankshaft, if the assembly form of the power pack is changed, the screws scratch the crankshaft easily, irreversible damage is caused to the surface of the crankshaft, the damaged crankshaft is invalid and replaced, scratches cannot exist, and otherwise, the power pack is judged to be an invalid part. Before the power unit is assembled, the bearing bush needs to be assembled on the connecting rod and needs to be held by a hand, the bearing bush cannot be separated from the connecting rod during assembly, otherwise, the bearing bush falls off to cause damage, and the damaged bearing bush is determined as a failure part.
Above-mentioned, the assembly technique has three shortcomings:
firstly, the whole assembly process is difficult to maintain at 22.5 degrees manually;
secondly, a connecting rod screw easily scratches the surface of the crankshaft in the assembling process, so that the crankshaft is failed;
and thirdly, the bearing bush separated from the connecting rod is damaged, so that the bearing bush fails.
SUMMERY OF THE UTILITY MODEL
The utility model provides a diesel engine power unit installation guide and connecting rod bolt protection device, and aims to solve the technical problems that in the assembly process, the angle is difficult to maintain manually, and a crankshaft and a bearing bush are failed due to part damage.
The utility model is realized in this way, a diesel engine power pack installation direction and connecting rod bolt protector, characterized by comprising:
the two main bodies are oppositely arranged, mounting holes and connecting holes are formed in the two main bodies, and the connecting holes are connected with the diesel engine power unit screws to connect the bearing bushes;
the clamping mechanism is arranged on the main body;
the guide plate group comprises a first guide plate and a second guide plate, the first guide plate is connected with the second guide plate, an included angle A is formed between the first guide plate and the second guide plate, and the value range of A is 152.5-163.5 degrees;
the first guide plate is attached to one of the main bodies, a through hole matched with the mounting hole is formed in the first guide plate, and the connecting piece penetrates through the through hole to be connected with the assembling hole, so that the first guide plate is fixedly connected with the main body.
Optionally, the clamping mechanism includes a clamping body, a button, a spring, and a metal ring, a convex portion is disposed at one end of the clamping body, the spring is disposed between the convex portion and the main body, the metal ring is disposed at one end of the clamping body, which is far away from the convex portion, the button is installed in the metal ring, and the button is connected with the clamping body.
Optionally, an included angle a formed between the first guide plate and the second guide plate is 157.5 degrees
Optionally, the guide plate is made of a hard material.
Optionally, at least two of the mounting holes are provided.
Optionally, there are three mounting holes, and the three mounting holes are coaxially arranged.
Optionally, there are 3 mounting holes, and 3 mounting holes are distributed in a triangular structure.
Optionally, the body hardness is less than the crankshaft hardness.
Optionally, the hardness of the guide plate is less than that of the diesel engine body.
Optionally, the bottom end of the diesel engine power pack is connected with a connecting rod, a screw and a bearing bush, the screw is matched with the connecting holes formed in the two main bodies, and the main bodies are connected with the connecting rod through the screw and then are in contact with two end faces of the bearing bush. Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a diesel engine power unit installation guide and connecting rod bolt protection device, which comprises: the two main bodies are oppositely arranged, mounting holes and connecting holes are formed in the two main bodies, and the connecting holes are connected with the diesel engine power unit screws to connect the bearing bushes; the clamping mechanism is arranged on the main body; the guide plate group comprises a first guide plate and a second guide plate, the first guide plate is connected with the second guide plate, an included angle A is formed between the first guide plate and the second guide plate, and the value range of A is 152.5-163.5 degrees; the first guide plate is attached to one of the main bodies, a through hole matched with the mounting hole is formed in the first guide plate, and the connecting piece penetrates through the through hole to be connected with the assembling hole, so that the first guide plate is fixedly connected with the main body. Because contained angle A that deflector group 3 was is convenient for the diesel engine power pack fast, fit for assembling of angle in the diesel engine organism, and laminate the axle bush chucking at the connecting rod inner wall, the installation work of the axle bush of being convenient for, and wrap up the screw in the connection process, hide and can avoid fish tail bent axle in the screw installation.
Drawings
FIG. 1 is a schematic view of a diesel engine power pack installation guide and connecting rod bolt protection device provided by the utility model;
FIG. 2 is a schematic structural diagram of a main body of a diesel engine power pack installation guide and connecting rod bolt protection device provided by the utility model;
FIG. 3 is a schematic structural view of a guide plate set of a diesel engine power unit installation guide and connecting rod bolt protection device provided by the utility model;
FIG. 4 is an exploded view of the main body and the guide plate assembly of the diesel engine power unit installation guide and connecting rod bolt protection device according to the present invention;
FIG. 5 is a schematic structural view of a fastening mechanism in the diesel engine power unit installation guide and connecting rod bolt protection device provided by the utility model;
FIG. 6 is an exploded view of a fastening mechanism of the diesel engine power unit installation guide and connecting rod bolt protection device according to the present invention;
FIG. 7 is a schematic view of a diesel engine power pack, a bearing bush, and a diesel engine power pack mounting guide and connecting rod bolt protector provided by the present invention;
FIG. 8 is an enlarged view of the connection between the power unit of the diesel engine, the bearing bush and the guiding and connecting rod bolt protecting device for the power unit of the diesel engine provided by the utility model;
FIG. 9 is a schematic view of a diesel engine power pack, a bearing bush, and a diesel engine power pack installation guide and connecting rod bolt protection device provided by the present invention, in a state of contacting with an assembly opening in an assembly process after being connected;
FIG. 10 is a schematic view of the assembly state of the diesel engine power pack, the bearing bush and the diesel engine power pack installation guide and connecting rod bolt protection device provided by the utility model after connection.
The reference numbers are as follows:
the bottom ends of the main body 1, the mounting hole 11, the connecting hole 12, the clamping mechanism 2, the clamping body 21, the button 22, the spring 23, the metal ring 24, the guide plate group 3, the first guide plate 4, the through hole 41, the second guide plate 5, the connecting piece 6 and the diesel engine power group 7 are connected with the connecting rod 8, the screw 9 and the bearing bush 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The distinguishing features between the present invention and the prior art, which constitute the points of the utility model, are briefly described
Example one
The utility model provides a diesel engine power pack installation direction and connecting rod bolt protector, includes: the clamping mechanism 2 is mounted on the main body 1, the guide plate group 3 comprises a first guide plate 4 and a second guide plate 5, the first guide plate 4 is connected with the second guide plate 5, an included angle A (shown in figure 3) is formed between the first guide plate 4 and the second guide plate 5, and the value range of A is 152.5-163.5 degrees; in the embodiment, as an alternative implementation mode, the first guide plate 4 and the second guide plate 5 are in welded connection, the connection is stable, the fixed connection structure is not easily damaged after the forming, and the service life is long;
as another implementable manner, the first guide plate 4 and the second guide plate 5 are connected by a connection auxiliary member, specifically, a gasket is arranged on the first guide plate 4 and the second guide plate 5, and both ends of the gasket are respectively fixedly connected with the first guide plate 4 and the second guide plate 5, so that the first guide plate 4 and the second guide plate 5 are fixedly connected, and by adopting the method, the first guide plate 4 and the second guide plate 5 can be disassembled, respectively stored and assembled when in use according to requirements;
as another alternative, the first guide plate 4 and the second guide plate 5 are connected by a mechanical splicing manner, for example, a mortise and tenon structure is adopted, so that the disassembly and the assembly are more convenient, and the structural stability is slightly lower than that of the two connection manners;
in the embodiment, the first guide plate 4 and the second guide plate 5 are connected by welding;
wherein, the first guide plate 4 is attached to the main body 1, a through hole 41 matched with the mounting hole 11 is formed on the first guide plate 4, and the connecting piece 6 penetrates through the through hole 41 and is connected with the mounting hole 11, so as to fixedly connect the first guide plate 4 and the main body 1 (as shown in fig. 1 and 4);
in the present embodiment, the connecting member 16 is a screw (shown in fig. 4).
Optionally, the fastening mechanism 2 includes a card body 21, a button 22, a spring 23, and a metal ring 24 (as shown in fig. 5 and fig. 6), one end of the card body 21 is provided with a convex portion, the spring 23 is arranged between the convex portion and the main body 1, one end of the card body 21 away from the convex portion is provided with the metal ring 24, the button 22 is installed in the metal ring 24, and the button 22 is connected to the card body 21.
Optionally, the included angle a formed by the first guide plate 4 and the second guide plate 5 is 157.5 °, since the power assembly hole of the diesel engine is about 22.5 ° with the ground, the optimal angle of the included angle a is 180 ° -22.5 ° or 157.5 ° for convenience of installation, and during installation, since the connecting rod moves within the range of 5 °, the optimal angle of the included angle a is 152.5 ° -163.5 °.
Optionally, the guide plate group 3 is made of a hard material, and the hardness of the guide plate group 3 is less than that of the diesel engine body, generally speaking, the diesel engine body is made of cast iron, and the hardness is 130-220HB, so that the hardness of the guide plate group 3 should be less than 130HB, and a cast aluminum alloy, a cast copper alloy, a hard resin, and the like can be selected, and in this embodiment, the guide plate is made of a cast aluminum alloy.
Optionally, the hardness of the main body 1 is less than that of the crankshaft, generally, the crankshaft is a forged carbon steel material, and the hardness is 131-156HB, so the hardness of the main body 1 needs to be less than 131HB, and a cast aluminum alloy, a cast copper alloy, a hard resin, etc. may be selected, and in this embodiment, the main body 1 is a hard resin.
Optionally, there are at least two mounting holes 11.
Optionally, there are 3 mounting holes 11, and 3 mounting holes 11 are coaxially arranged, in this embodiment, mounting holes 11 are coaxially arranged, as an implementable manner, the intervals between 3 mounting holes 11 are not equal, as another implementable manner, 3 mounting holes 11 are equidistantly arranged, in this embodiment, a structure in which 3 mounting holes 11 are equidistantly arranged is adopted, so that the mounting positions are uniformly distributed, and the connection is stable and beautiful.
Optionally, there are 3 mounting holes 11, and 3 mounting holes 11 are the distribution of triangle-shaped structure, and through the stable characteristic of triangle-shaped structure, connection structure is more stable firm.
Optionally, as shown in fig. 7, a connecting rod 8, a screw 9 and a bearing bush 10 are connected to the bottom end of the diesel engine power pack 7, the screw 9 is adapted to a connecting hole 12 formed in the two main bodies 1, and the main bodies 1 are connected to the connecting rod 8 through the screw 9 and then are in contact with two end faces of the bearing bush 10 (as shown in fig. 8).
After the installation is accomplished, hang the diesel engine power pack after the installation in the air, when installing with the diesel engine organism, direct alignment pilot hole (as shown in fig. 9), second deflector 5 in deflector group 3 plays the guide effect naturally, along the pilot hole, along with the decline of power pack, change diesel engine power pack direction angle gradually, guide whole diesel engine power pack to get into the diesel engine organism and be close to the bent axle direction gradually, until containing the bent axle (as shown in fig. 10), the manual button 22 that presses in back, take off diesel engine power pack installation direction and connecting rod bolt protector, accomplish the assembly.
In this process, because contained angle A that deflector group 3 was is convenient for the diesel engine power pack fast, fit the assembly of angle to the diesel engine organism in, and laminate the axle bush chucking at the connecting rod inner wall, the installation work of the axle bush of being convenient for, and wrap up the screw in the connection process, hide and can avoid fish tail bent axle in the screw installation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a diesel engine power pack installation direction and connecting rod bolt protector which characterized in that includes:
the two main bodies are oppositely arranged, mounting holes and connecting holes are formed in the two main bodies, and the connecting holes are connected with the diesel engine power unit screws to connect the bearing bushes;
the clamping mechanism is arranged on the main body;
the guide plate group comprises a first guide plate and a second guide plate, the first guide plate is connected with the second guide plate, an included angle A is formed between the first guide plate and the second guide plate, and the value range of A is 152.5-163.5 degrees;
the first guide plate is attached to one of the main bodies, a through hole matched with the mounting hole is formed in the first guide plate, and the connecting piece penetrates through the through hole to be connected with the assembling hole, so that the first guide plate is fixedly connected with the main body.
2. The diesel engine power pack installation guide and connecting rod bolt protection device of claim 1, wherein the clamping mechanism comprises a clamping body, a button, a spring and a metal ring, one end of the clamping body is provided with a convex part, the spring is arranged between the convex part and the main body, one end of the clamping body far away from the convex part is provided with the metal ring, the button is installed in the metal ring, and the button is connected with the clamping body.
3. The diesel engine power pack mounting guide and connecting rod bolt guard of claim 1, wherein the angle a formed by said first guide plate and said second guide plate is 157.5 °.
4. The diesel engine power pack mounting guide and connecting rod bolt guard of claim 1, wherein the guide plate is comprised of a hard material.
5. The diesel engine power pack mounting guide and connecting rod bolt guard of claim 1, wherein there are at least two of said mounting holes.
6. The diesel engine power pack mounting guide and connecting rod bolt guard of claim 1 wherein there are three of said mounting holes, three of said mounting holes being coaxially aligned.
7. The diesel engine power pack mounting guide and connecting rod bolt guard of claim 5, wherein there are 3 mounting holes, and 3 of said mounting holes are distributed in a triangular configuration.
8. The diesel power pack mounting guide and connecting rod bolt guard of claim 1, wherein the body hardness is less than the crankshaft hardness.
9. The diesel engine power pack mounting guide and connecting rod bolt guard of claim 1, wherein the guide plate has a hardness less than a hardness of the diesel engine block.
10. The diesel engine power pack installation guide and connecting rod bolt protection device as claimed in claim 1, wherein the bottom end of the diesel engine power pack is connected with a connecting rod, a screw and a bearing bush, the screw is matched with the connecting holes formed in the two main bodies, and the main bodies are connected with the connecting rod through the screw and then are contacted with two end faces of the bearing bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220075399.XU CN216543086U (en) | 2022-01-12 | 2022-01-12 | Diesel engine power pack installation guide and connecting rod bolt protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220075399.XU CN216543086U (en) | 2022-01-12 | 2022-01-12 | Diesel engine power pack installation guide and connecting rod bolt protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216543086U true CN216543086U (en) | 2022-05-17 |
Family
ID=81562255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220075399.XU Expired - Fee Related CN216543086U (en) | 2022-01-12 | 2022-01-12 | Diesel engine power pack installation guide and connecting rod bolt protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216543086U (en) |
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2022
- 2022-01-12 CN CN202220075399.XU patent/CN216543086U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |